You must have studied English for many years是现在完成时吗

You must have studied English for many years是现在完成时吗
原因

隐龙者 1年前已收到4个回答举报

yxy2000 幼苗

共回答了18个问题采纳率：83.3% 举报

不是.这是对现在事实的肯定猜测.
must have done something 就是表示猜测,如果光是have done则表示现在完成时.

1年前

孤独的牛黄幼苗

共回答了94个问题举报

不是。must have done 的语法。
意思是必须。很肯定的意思。这句的意思是你必须得学很多年的英语才行。不表示你已经学了很多年的英语。所以不是现在完成时。

1年前

丑丑的鱼儿幼苗

共回答了5个问题举报

不是，是一种猜测，是祈使句。因为到底你有没有已经学习英语多年，如果你没学，就不是事实。

1年前

liyongming 幼苗

共回答了209个问题举报

不是。此句意思是“你肯定是学英语很多年了。”
must have done 表示对过去的事情进行肯定推测。
must do 对现在的事情进行推测。例如：You must be an English teacher.
现在完成时的构成是：have/has +过去分词
如：I have finished my homework.我完成了作业。...

1年前

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